CN101551653A - Method for controlling multi-path hydraulic valve base integrating system of compression type garbage truck - Google Patents
Method for controlling multi-path hydraulic valve base integrating system of compression type garbage truck Download PDFInfo
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- CN101551653A CN101551653A CNA2008100235478A CN200810023547A CN101551653A CN 101551653 A CN101551653 A CN 101551653A CN A2008100235478 A CNA2008100235478 A CN A2008100235478A CN 200810023547 A CN200810023547 A CN 200810023547A CN 101551653 A CN101551653 A CN 101551653A
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Abstract
The invention discloses a method for controlling a multi-path hydraulic valve base integrating system of a compression type garbage truck, comprising the following steps: each command sequence control procedure of an overturned device which is to execute a task and a loading compression and discharging part is stored into a procedure storage of the multi-path hydraulic valve base integrating system, and an operation sequence is as follows: firstly, garbage is poured into a sizer by the overturned device; then loading control is carried out, a lower scraping plate firstly reversely turns, an upper scraping plate secondly descends, the lower scraping plate starts to scrap in the descending process of the upper scraping plate, then the upper scraping plate also starts to ascend and simultaneously sends signals so that a discharging plate is returned to compress the garbage in a bidirectional way, and when the upper scraping plate reaches a upper limit position, the single circulation of the whole loading compression; when the sizer is full of the garbage, the sizer starts to discharge the garbage, a latch hook is firstly opened, the sizer is lifted to clean the garbage, then the discharging plate pushes the garbage out, and the latch hook is locked, thus a discharging task is completed. The automatic barrel overturning, the loading, the compression, the lifting, the discharging, the garbage cleaning and the automatic dodge, and the like of the compression type garbage truck are sequential, controllable and intelligentized due to adopting an integrated control technique, thus the compression type garbage truck has short loading circulation periods and high compression ratio.
Description
Technical field
The present invention relates to a kind of garbage truck control system, particularly the method for garbage truck multi-path hydraulic valve base integrating system control.
Background technology
At present, the loading of compression type garbage truck rubbish and a series of actions of discharging, main by means of finishing based on stretching of programme controlled multipath hydraulic oil cylinder, be made up of a collection mechanical-electrical-hydraulic integration system, its chief component comprises hydraulic pump, surplus valve, solenoid directional control valve, hydraulic jack, safety valve, retaining valve, PLC controller etc.Traditional hydraulic system and control section thereof are essentially many places and are provided with separately, and not only big, body weight, and operation inconvenience are also too much because of the hydraulic system top connection, cause leakage, and the system pressure loss makes operational order not normal, influences time of shipment.
Summary of the invention
The purpose of this invention is to provide a kind of easy and simple to handle, the bodily form is light and handy, the method for central controlled multi-path hydraulic valve base integrating system control.
Solution of the present invention is: adopt the multi-path hydraulic valve island and the discharge backboard of the switch solenoid actuated of Embedded PLC controller (containing embedded hardware platform, operating system and user application), the design of segmented current feedback principle to press the integrated system control method that retreats compacting (being called for short in good time back pressure) technology, it comprises the following steps:
(1) Embedded PLC controller and the supporting use of multi-joint solenoid valve hydraulic system;
(2) the tilting device part of desiring to execute the task, the instructions sequence control program that loads compression section and discharge section are deposited in the program storage of system;
(3) instruction fetch of memory counter content is pressed in start-up system work, executable operations, and according to the content update programmable counter of performed instruction, its operation order is as follows:
(a) tilting device control: " rising " the Back button is set on the tilting device switch simultaneously, when pushing " rising " position, the hydraulic valve work of the solenoid actuated of hydraulic valve island control device, making the motion of tilting device oil cylinder drive dustbin rises, after rubbish is poured in the sizer, switch is pushed " returning " position, mechanism drives dustbin and returns;
(b) load compression control: the loading main switch is set, " loading " button is set simultaneously, press " loading " button, the pass of the hydraulic valve by solenoid actuated is opened and is made hydraulic cylinder drive the lower scraping plate counter-rotating, after detecting the counter-rotating limit signal, upper scraping plate begins to descend, in the process that descends, when detecting pressure signal or lower limit signal, lower scraping plate begin to scrape into, detect scrape limit signal after, upper scraping plate begins to rise, when rising, provide signal, the discharge plate is returned, rubbish is carried out bi-directional compression (being in good time back pressure), when upper scraping plate arrives upper limit, the single cycle of whole loading compression is finished, and fills garbage truck through rubbish after a plurality of single cycles;
(c) discharge control: the discharge master switch is set, and discharges switching plate (in establish " release " the Back button), the sizer direction switch, clear material switch is in the time of need carrying out discharge, the sizer direction switch is pushed " rising " position, solenoid valve and hydraulic cylinder works, latch hook is opened, the sizer lifting, after being raised to certain position, open and expect that clearly switch expects clearly to handle, the rubbish in the sizer is emptied, push " release " position discharging switching plate again, open solenoid valve, make the discharge cylinder action, rubbish is released, after oil cylinder is shifted maximum position onto, sizer begins to descend, before descending, at first provide the discharge plate and dodge signal automatically, allow it return earlier, sizer descends then, after decline puts in place, send signal, the latch hook cylinder action, the locking latch hook, whole discharge task is finished.
Loading and discharging in the control program; also be provided with " safety verification switch ", " fall and confirm switch ", " the 3rd emergency stop switch " with defencive function; when work; electric signal leads to each inductive switch; in the middle of the defencive function switch of setting any one do not have output signal, just can not load or discharging operation.
The invention has the beneficial effects as follows, owing to adopt the integrated control technology in multi-path hydraulic valve island, make the turning over bucket automatically, load of compression type garbage truck, compression, promote, discharge, material and function such as to dodge automatically orderly, controlled, intelligent clearly, the loader cycle cycle, ratio of compression reached 1: 4.5 less than 12 seconds.
Description of drawings
Accompanying drawing has provided one embodiment of the present of invention.
The invention will be further described to closing drawings and Examples below.
Accompanying drawing is a principle of operation synoptic diagram of the present invention.
Among the figure, 1, hydraulic valve island control device; 2, sizer hoist cylinder; 3, latch hook oil cylinder; 4, tilting device oil cylinder; 5, lower scraping plate oil cylinder; 6, upper scraping plate oil cylinder; 7, discharge the leaf fat cylinder; 8, system's control bus; 9, PLC controller; 10, external control bus; 11, show/control screen; 12, bridge operation dish; 13, tailstock operation board; 14, warning system; 15, system switching; 16, eeprom memory; 17, detection system.
Embodiment
The multi-path hydraulic valve island of the switch solenoid actuated of employing Embedded PLC controller (containing embedded hardware platform, operating system and user application), the design of segmented current feedback principle and discharge backboard are pressed the method for the integrated system control that retreats compacting (being called for short in good time back pressure) technology, and it comprises: PLC controller 9 and the supporting use of 5-linked solenoid valve hydraulic system;
The tilting device part of desiring to execute the task, the instructions sequence control program that loads compression section and discharge section are deposited in the program storage 16 of system; The instruction fetch of memory counter content is pressed in start-up system work, executable operations, and according to the content update programmable counter of performed instruction, its sequence of operation is as follows:
(a) tilting device control: " rising " the Back button is set on the tilting device switch simultaneously, when pushing " rising " position, tilting device electromagnetic hydraulic valve work in the hydraulic valve island control device 1, making tilting device oil cylinder 2 drive dustbin rises, rubbish pushes switch " returning " position after pouring in the sizer, and tilting device oil cylinder 2 drives dustbin and returns, and in the hydraulic circuit of tilting device oil cylinder 2, loaded throttling valve, make the hydraulic jack stable working;
(b) load compression control: the loading main switch is set, " loading " button is set simultaneously, press " loading " button, open the lower scraping plate counter-rotating that lower scraping plate hydraulic cylinder 5 is driven by the pass of lower scraping plate electromagnetic hydraulic valve in the hydraulic valve island control device 1, after detecting the counter-rotating limit signal, open by the pass of upper scraping plate electromagnetic hydraulic valve in the hydraulic valve island control device 1 and to make upper scraping plate oil cylinder 6 drive upper scraping plates to begin to descend, in the process that descends, when detecting pressure signal or lower limit signal, lower scraping plate begins to scrape into rubbish, detect scrape limit signal after, upper scraping plate begins to rise, when rising, provide signal, the discharge plate of discharging 7 drives of leaf fat cylinder is returned, rubbish is carried out bi-directional compression (being in good time back pressure), when upper scraping plate arrives upper limit, the single cycle of whole loading compression is finished, and fills garbage truck through rubbish after a plurality of single cycles;
(c) discharge control: the discharge master switch is set, and discharge switching plate (in establish " release " the Back button), the sizer direction switch, clear material switch, in the time of need carrying out discharge, the sizer direction switch is pushed " rising ", the solenoid valve of hydraulic valve island control device 1 and 3 work of latch hook oil cylinder, latch hook is opened, and sizer hoist cylinder 2 work simultaneously are with the sizer lifting, after being raised to certain position, open and expect that clearly switch expects clearly to handle, the rubbish in the sizer is emptied, push " release " discharging switching plate again, open solenoid valve, make and discharge oil cylinder 7 actions, rubbish is released, after oil cylinder is shifted maximum position onto, sizer begins to descend, before descending, at first provide the discharge plate and dodge signal automatically, allow it return 1 second earlier, sizer descends then, after decline puts in place, send signal, 3 actions of latch hook oil cylinder, the locking latch hook, whole discharge task is finished.
Loading and discharging in the control program; also be provided with " safety verification switch ", " fall and confirm switch ", " the 3rd emergency stop switch " with defencive function; when work; electric signal leads to each inductive switch; in the middle of the defencive function switch of setting any one be output not, just can not load or discharging operation.
Claims (2)
1, compression type garbage truck utilize the design of embedded programmable controller (containing embedded hardware platform, operating system and user application), segmented current feedback principle the switch solenoid actuated the multi-path hydraulic valve island and discharge the method that backboard is pressed the integrated system control that retreats compacting (being called for short in good time back pressure) technology, it is characterized in that adopting the following step:
(1) Programmable Logic Controller and the supporting use of multi-joint solenoid valve hydraulic system;
(2) the tilting device part of desiring to execute the task, the instructions sequence control program that loads compression section and discharge section are deposited in the program storage of system;
(3) instruction fetch of memory counter content is pressed in start-up system work, executable operations, and according to the content update programmable counter of performed instruction, its operation order is as follows:
(a) tilting device control: " rising " the Back button is set on the tilting device switch simultaneously, when pushing " rising " position, the hydraulic valve work of the solenoid actuated of hydraulic valve island control device, making the motion of tilting device oil cylinder drive dustbin rises, after rubbish is poured in the sizer, switch is pushed " returning " position, mechanism drives dustbin and returns;
(b) load compression control: the loading main switch is set, " loading " button is set simultaneously, press " loading " button, the lower scraping plate counter-rotating that hydraulic cylinder is driven is opened in the pass of the hydraulic valve by solenoid actuated, after detecting the counter-rotating limit signal, upper scraping plate begins to descend, in the process that descends, when detecting pressure signal or lower limit signal, lower scraping plate begin to scrape into, detect scrape limit signal after, upper scraping plate begins to rise, when rising, provide signal, the discharge plate is returned, rubbish is carried out bi-directional compression (being in good time back pressure), when upper scraping plate arrives upper limit, the single cycle of whole loading compression is finished, and fills garbage truck through rubbish after a plurality of single cycles;
(c) discharge control: the discharge master switch is set, and discharges switching plate (in establish " release " the Back button), the sizer direction switch, clear material switch is in the time of need carrying out discharge, the sizer direction switch is pushed " rising ", solenoid valve and hydraulic cylinder works, latch hook is opened, the sizer lifting, after being raised to certain position, open and expect that clearly switch expects clearly to handle, the rubbish in the sizer is emptied, push " release " discharging switching plate again, open solenoid valve, make the discharge cylinder action, rubbish is released, after oil cylinder is shifted maximum position onto, sizer begins to descend, before descending, at first provide the discharge plate and dodge signal automatically, allow it return earlier, sizer descends then, after decline puts in place, send signal, the latch hook cylinder action, the locking latch hook, whole discharge task is finished.
2, method according to claim 1; it is characterized in that: loading and discharging in the control program; also be provided with " safety verification switch " with defencive function and " fall and confirm switch " " the 3rd emergency stop switch "; when work; electric signal leads to each inductive switch; in the middle of the defencive function switch of setting any one do not have output signal, just can not load or discharging operation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100235478A CN101551653A (en) | 2008-04-01 | 2008-04-01 | Method for controlling multi-path hydraulic valve base integrating system of compression type garbage truck |
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| CNA2008100235478A CN101551653A (en) | 2008-04-01 | 2008-04-01 | Method for controlling multi-path hydraulic valve base integrating system of compression type garbage truck |
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| CN101551653A true CN101551653A (en) | 2009-10-07 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102681557A (en) * | 2012-01-10 | 2012-09-19 | 浙江大学 | Integrated control device and control method for hydraulic system |
| WO2013040755A1 (en) * | 2011-09-20 | 2013-03-28 | 长沙中联重工科技发展股份有限公司 | Compression waste lorry, method, device and system of controlling position of sliding plate of the same |
| CN106502089A (en) * | 2016-12-27 | 2017-03-15 | 河南森源重工有限公司 | A kind of redundancy control method of compression type garbage truck loading process |
| WO2018090927A1 (en) * | 2016-11-18 | 2018-05-24 | 江苏悦达专用车有限公司 | Bus-based garbage truck control system |
| CN109958674A (en) * | 2017-12-25 | 2019-07-02 | 陕西汽车集团有限责任公司 | Compression type garbage truck shoveling back pressure automatic compensation controller and its method |
| CN111237288A (en) * | 2020-03-12 | 2020-06-05 | 长沙普惠环保机械有限公司 | Multi-oil-cylinder cooperative compression compensation system for garbage compressor |
| CN113778098A (en) * | 2021-09-16 | 2021-12-10 | 福建龙马环卫装备股份有限公司 | Control method for automatic obstacle avoidance of compression type garbage truck |
-
2008
- 2008-04-01 CN CNA2008100235478A patent/CN101551653A/en active Pending
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013040755A1 (en) * | 2011-09-20 | 2013-03-28 | 长沙中联重工科技发展股份有限公司 | Compression waste lorry, method, device and system of controlling position of sliding plate of the same |
| CN102681557A (en) * | 2012-01-10 | 2012-09-19 | 浙江大学 | Integrated control device and control method for hydraulic system |
| CN102681557B (en) * | 2012-01-10 | 2015-03-18 | 浙江大学 | Integrated control device and control method for hydraulic system |
| WO2018090927A1 (en) * | 2016-11-18 | 2018-05-24 | 江苏悦达专用车有限公司 | Bus-based garbage truck control system |
| CN106502089A (en) * | 2016-12-27 | 2017-03-15 | 河南森源重工有限公司 | A kind of redundancy control method of compression type garbage truck loading process |
| CN109958674A (en) * | 2017-12-25 | 2019-07-02 | 陕西汽车集团有限责任公司 | Compression type garbage truck shoveling back pressure automatic compensation controller and its method |
| CN109958674B (en) * | 2017-12-25 | 2020-12-29 | 陕西汽车集团有限责任公司 | Automatic compensation control device and method for back pressure of push shovel of compression type garbage truck |
| CN111237288A (en) * | 2020-03-12 | 2020-06-05 | 长沙普惠环保机械有限公司 | Multi-oil-cylinder cooperative compression compensation system for garbage compressor |
| CN111237288B (en) * | 2020-03-12 | 2022-03-04 | 长沙普惠环保机械有限公司 | Multi-oil-cylinder cooperative compression compensation system for garbage compressor |
| CN113778098A (en) * | 2021-09-16 | 2021-12-10 | 福建龙马环卫装备股份有限公司 | Control method for automatic obstacle avoidance of compression type garbage truck |
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Open date: 20091007 |